DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve

Nwv pneumatic PTFE lined wafer butterfly valve is a corrosion-resistant flow control solution engineered for aggressive media and industrial process systems. Featuring a GGG40 ductile iron body with PTFE lining, it combines chemical resistance with pneumatic actuation to ensure reliable shut-off and regulation of acids, alkalis, solvents, and other corrosive fluids.

Characteristics

Size:: 2″ – 24″ (DN50mm – DN600mm)

Pressure:: 16bar for DN50-DN200, 10bar for DN250-DN600

Body:: GGG40

Disc:: CF8M,1.4462,CF8M FEP lined,CF8 EPDM lined

Seat:: PTFE,FPM,EPDM,PU,NBR

Top flange:: ISO5211

Flange accommodation:: EN 1092 PN 6/PN10/PN16,ASME Class 150,JIS 5K/10K

Pneumatic actuator:: Double acting, Single acting

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GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve
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DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve - Image 1
DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve - Image 2
DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve - Image 3
DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve - Image 4

Specification

DN50~DN600 PN16 GGG40 Pneumatic Wafer PTFE Lined Butterfly Valve

No.

Part name

Material

1

Body

GGG40

2

Disc/shaft one piece

CF8M

1.4462

CF8M FEP lined

CF8 EPDM lined

3

Seat

PTFE,FPM,EPDM,PU,NBR

PTFE

EPDM

4

Seat Energizer

SR

5

Weather seal

NBR

6

Bearing

PTFE impregnated SS316L

7

Gland

PTFE

8

Screw

SS304

9

Belleville washer

SS304

10

Stuffing collar

SS316

11

O ring

FPM

12

V ring

PTFE

TECHNICAL DATA

Body style

wafer

Nominal diameter

2″ – 24″ (DN50mm – DN600mm)

Top flange

ISO5211

Operating pressure

16bar for DN50-DN200, 10bar for DN250-DN600

Temperature range

-20 °C to + 180 °C (depending on pressure, medium and material)

Flange accommodation

EN 1092 PN 6/PN10/PN16
ASME Class 150
AS 4087 PN10/ PN16
JIS 5K/10K

Operation

Hand lever, gear box, pneumatic actuator, electric actuator

Pneumatic actuator

Action

Double acting Failure to maintain

Maintains position on air failure

Single acting normally closed Failure to close

Fails to open

Single acting normally open Failure to open

Fails to close

Optional accessory

Solenoid valve
limit switch box
air filter relief pressure valve,
E/P positioned
manual device.

SIZE

A

B

C

D

E

F

d

G

H

L

WT(kg)

DN

INCH

50

2″

126

65

13.5

116

11

50

8

65

25

43

2

65

2 1/2″

138

79

13.5

136

11

50

8

65

59

46

3

80

3″

138

79

13.5

136

11

50

8

65

59

46

3

100

4″

167

97

17.5

170

14

70

10

90

86

52

5

125

5″

180

129

17.5

196

14

70

10

90

112

56

7

150

6″

203